People : Aimee Costigan to Eugenia Costigan
Alec Costigan 2 people
Allan Costigan 3 people
Allison Costigan 2 people
Andrew Costigan 3 people
Angela Costigan 2 people
Ann Costigan 7 people
Anne Costigan 6 people
Annmarie Costigan 2 people
Arthur Costigan 2 people
Barbara Costigan 2 people
Beatrice Costigan 2 people
Brian Costigan 10 people
Carol Costigan 2 people
Catherine Costigan 3 people
Cecelia Costigan 2 people
Cecilia Costigan 2 people
Charles Costigan 7 people
Chris Costigan 2 people
Christina Costigan 3 people
Christine Costigan 3 people
Christopher Costigan 16 people
Coleen Costigan 2 people
Colleen Costigan 3 people
Craig Costigan 4 people
Daniel Costigan 2 people
Danna Costigan 3 people
Debbie Costigan 2 people
Debra Costigan 2 people
Deirdre Costigan 2 people
Dennis Costigan 4 people
Donna Costigan 3 people
Edward Costigan 14 people
Eileen Costigan 5 people
Elaine Costigan 6 people
Elizabeth Costigan 5 people
Emily Costigan 3 people
Erin Costigan 7 people
Esther Costigan 2 people
Ethan Costigan 2 people